Taste change after laparoscopic Roux-en-Y gastric bypass and laparoscopic adjustable gastric banding |
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Authors: | David S. Tichansky M.D. F.A.C.S. John D. Boughter Jr Ph.D. Atul K. Madan M.D. F.A.C.S. |
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Affiliation: | Section of Minimally Invasive Surgery, Department of Surgery, University of Tennessee College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA. dtichans@utmem.edu |
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Abstract: | BACKGROUND: Many patients have described changes in taste perception after weight loss surgery. Our hypothesis was that patients develop postoperative changes in taste that vary by bariatric procedure. METHODS: Patients who underwent laparoscopic Roux-en-Y gastric bypass (LRYGB) or laparoscopic adjustable gastric banding (LAGB) completed a 23-question institutional review board-approved survey postoperatively regarding their degree and type of taste changes and food aversion and how these influenced their eating habits. RESULTS: A total of 127 patients participated. After removing the inadequately completed surveys, 82 LRYGB and 28 LAGB patients were included. Of these, 87% of LRYGB and 69% of LAGB patients believed taste is important to the enjoyment of food. More LRYGB patients (82%) than LAGB patients (46%) reported a change in the taste of food or beverages after surgery (P <.001). In addition, 92% of LAGB versus 59% of LRYGB patients characterized the change as a decrease in the intensity of taste (P <.05). Additionally, 68% of LRYGB and 67% of LAGB patients found certain foods repulsive and had developed aversions. Also, 66% of LRYGB and 70% of LAGB patients believed the taste changes were greater than expected preoperatively. Most patients (83% of LRYGB and 69% of LAGB patients) agreed that the loss of taste led to better weight loss. CONCLUSION: Although most LRYGB and many LAGB patients experienced taste changes and food repulsion postoperatively, procedural differences were found in these taste changes. Taste changes need to be investigated further as a possible mechanism of weight loss after bariatric surgery. |
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Keywords: | Taste change Laparoscopic gastric bypass Laparoscopic adjustable gastric banding Weight loss |
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